Stent



FIG. 1 is a perspective view of a stent showing my new design;

FIG. 2 is a side view of the stent illustrated in FIG. 1;

FIG. 3 is another side view of the stent illustrated in FIG. 1; and,

FIG. 4 is a top-end view of the stent illustrated in FIG. 1 with the bottom-end view being identical image of the top. 

The ornamental design for a stent, as shown and described. 